diff options
| author | Adrian Hunter <adrian.hunter@intel.com> | 2013-12-03 11:23:06 +0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-12-04 20:46:36 +0400 |
| commit | d88938ebc97df72320609b33aa0cf9a9a98accb1 (patch) | |
| tree | b974eaaa7e6c02c0bbfa2165bcbef104310d9b27 /tools/perf/util/srcline.c | |
| parent | 89e3bbd58a6186b832fe2b9419ac2f9ab90e9089 (diff) | |
| download | linux-d88938ebc97df72320609b33aa0cf9a9a98accb1.tar.xz | |
perf tools: Use asprintf instead of malloc plus snprintf
The asprintf library function is equivalent to malloc plus snprintf so
use it because it is simpler.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1386055390-13757-4-git-send-email-adrian.hunter@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/srcline.c')
| -rw-r--r-- | tools/perf/util/srcline.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c index d11aefbc4b8d..4c8e816a2191 100644 --- a/tools/perf/util/srcline.c +++ b/tools/perf/util/srcline.c @@ -227,7 +227,6 @@ char *get_srcline(struct dso *dso, unsigned long addr) unsigned line = 0; char *srcline; char *dso_name = dso->long_name; - size_t size; if (!dso->has_srcline) return SRCLINE_UNKNOWN; @@ -241,13 +240,7 @@ char *get_srcline(struct dso *dso, unsigned long addr) if (!addr2line(dso_name, addr, &file, &line)) goto out; - /* just calculate actual length */ - size = snprintf(NULL, 0, "%s:%u", file, line) + 1; - - srcline = malloc(size); - if (srcline) - snprintf(srcline, size, "%s:%u", file, line); - else + if (asprintf(&srcline, "%s:%u", file, line) < 0) srcline = SRCLINE_UNKNOWN; free(file); |